552 



BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Isthmia lindigiana, 85. 



minima, 85. 

 italicum, Pleurosigma, 135. 

 jamaicensis, Navicula, 123. 

 Janischia, 170. 

 janischii, Actinoptychus, 14. 



Coscinocliscus, 67. 



Euodia, 77. 



Hemidiscus, 80. 



Leudugeria, 77, 86. 



Navicula, 108. 



Navicula (marginata), 8. 

 japonica, Auricula, 33. 



Biddulphia, 35. 



Navicula (Schizonema), 119. 



Surirella, 157. 

 japonicum, Pleurosigma, 131, 135, 136. 



Triceratium, 35. 

 japonicus, Stictodiscus, 149. 

 javanica, Achnanthidium, 12. 



Mastogloia, 90. 



Tropidoneis, 173. 

 jayi, Cochlostyla (Chrysallis), 476. 



Cochlostvla (Chrysallis) jayi, 476, 

 478, 479. 

 jejuna, Navicula, 107. 

 jelineckiana, Mastogloia, 90. 

 jenneri, Navicula, 89. 

 jensenianum, Triceratium, 40. 

 johnsoni, Cochlostvla (Helicostvla) ful- 

 gens, 400, 404. 



Obba mesai, 357, 359. 

 johnsonianus, Stictodiscus, 162. 

 johnsonii, Pinnularia, 147. 

 jonasi, Bulimus, 446. 



Cochlostyla, 447, 448. 



Cochlostyla (Eudoxus), 446, 449. 



Cochlostyla (Phengus), 448. 



Eudoxus, 448. 



Helicostvla, 446-448. 



Helix, 446, 447. 



var. /3, Helix, 405. 

 juani, Cochlostvla (Chrysallis) aspersa, 

 502, 503,' 507. 



Cochlostyla rufogaster, 329, 330. 

 jugata, Navicula, 96, 107. 

 juncatensis, Biddulphia, 7, 42. 

 juncta, Biddulphia, 42. 

 Keck, Warren, 196. 

 kerguelensis, Mastogloia, 91. 

 kincaidi, Diphasia, 220. 

 kinkeri, Aulacodiscus, 31. 

 kinkerii, Campylodiscus, 49, 51, 52. 

 Kirchenpauerinae, 197. 

 kittonianus, Campylodiscus, 52. 



Stictodiscus, 149. 

 kittonii, Aulacodiscus, 40. 

 kossuthii, Stictodiscus, 29. 

 kuetzingii, Coscinodiscus, 67. 

 kurzii, Navicula (Alloioneis?), 120. 

 kutzingii, Coscinodiscus, 67. 

 labrella, Bulimus, 455. 



Partula, 455, 459. 

 labuensis, Amphora, 27. 

 lacrimans, Navicula, 7, 107. 

 lacunata, Cymatoneis, 72, 178. 

 Laetmonice, 183. 



nitida, 183, 187 (fig.). 



Laetmonice pellucida, 186. 



producta, 183. 

 laevigatus, Actinoptychus, 15. 

 laevis, Hyalodiscus, 84. 

 Lafoea convallaria, 211, 212. 



plicatilis, 204. 

 Lafoeidae, 199, 209. 

 Lagenitheca, 198. 

 lamellata, Stereocidaris sceptriferoides, 



304, 305 (fig.), 309-311. 

 Lampriscus, 40, 169. 

 lanceolata, Achnanthes, 11. 

 lanceolatum, Pleurosigma, 135. 

 larvata, Cochlostyla (Prochilus), 467. 



Cochlostyla (Prochilus) fictilis, 467. 

 lata, Surirella, 156, 157. 



Tropidoneis, 174. 

 latecostata, Auliscus caelatus, 7, 32. 

 latestriata, Scoliopleura, 144. 

 latum, Pleurosigma, 135. 



Trigonium, 165, 169-171. 

 latus, Campylodiscus, 48, 52. 

 lauta, Denticula, 16. 

 laxa, Surirella, 156. 

 laymansa, Cochlostyla (Calocochlea) 



roissyana, 387, 397. 

 leai, Bulimus, 446, 447. 



Cochlostyla, 447. 



Helicostvla, 447. 

 Leiocidaris bispinosa, 258. 



pistillaris annulifera, 257. 

 lemniscata, Mastogloia, 88, 90, 91. 

 lentiginosus, Coscinodiscus, 67. 

 Leodicidae, 193. 



lepidoptera, Tropidoneis, 174, 175. 

 lepidus, Ca.mpylodiscus, 52. 

 leptopus, Coscinodiscus, 67. 

 leudugeri, Mastogloia, 88, 90. 

 Leudugeria, 80, 86. 



janischii, 77, 86. 



monilifera, 86. 

 liber, Navicula, 10, 107, 108, 118. 

 lichenifer, Bulimus, 481. 



Cochlostvla, 481, 487. 



Cochlostyla (Chrysallis), 480. 



Cochlostvla (Chrysallis) lichenifer, 

 480, 481. 

 Licmophora, 86, 144, 147. 



debyi, 86, 178. 



ehrenbergii, 86. 



ovata, 86. 

 Lictorella cervicornis, 212, 213. 

 lighti, Halecium, 198, 202. 

 ligulosus, Campylodiscus, 53, 177. 

 lillianae, Cochlostyla (Halocochlea), 376, 



399. 

 limbatus, Campylodiscus, 53. 

 limpida, Amphiprora, 16, 176. 



Trinacria, 172, 182. 

 lindigiana, Isthmia, 85. 

 lineata, Amphora, 24. 



Campylodiscus concinnus, 8, 50. 



Mastogloia, 90. 

 lineatus, Coscinodiscus, 67, 68. 

 lineolata, Helix, 381. 



Helix melanocheilos, 382. 



Helix melanocheylos?, 381. 

 lineolatum, Triceratium, 40. 



